6. When SPC code will be available in the box then click on SPC button. (If SPC code is not available then write 000000).

7. Now you will get two option Send and Write as in below screenshot. Click on Send button and you will get a message spc accepted.

Send SPC as Default in cdma workshop

8. Now select the Other tab and in the RUIM – select RUIM if availabe or to ruim only and click on the write button. Now you have successfully unlocked your Tata Photon Max EC306 EVDO CDMA Modem Dongle.

CDMA modem unlock RUIM options

Note : Now you can use both CDMA inbuilt and CDMA of another network provider facility in your Tata Photon Max EC306 EVDO CDMA Modem Dongle. If you select RUIMonly then the default CDMA service will not work and if you select RUIM if available then you can use CDMA service without the sim and CDMA of another network provider when you insert the sim into the Tata Photon Max EC306 EVDO CDMA Modem Dongle.